Acoustic Vision 2K and 4K are premium vinyl coated polyesters fabrics with small holes for those wanting to place
speakers behind the screen for a more accurate sound stage. 1.16 gain - 600 - 700 micron thick - 2.5 metre width -
for use with all 1080P and beyond Projectors. Very accurate spectral response - falls within the ISF parameters for
certification and within THX parameters for certification.
The 4K version has a smaller weave and smaller holes placed closer together giving the same openess factor.